Alarm for boxes and other receptacles.



S. MUNDLBR.

ALARM FOR BOXES AND OTHER BEGEPTAGLES.

APLIoATIoN FILED oo. 23pm.

Patented May 21, 1912.

' 2 SHEETS-SHEET 1.

receptacles ALARM FOB/.BOXES ANI) OTHER RECEPTA-)Ln Specification of Letters Patent.

'Patented May 2i, i912.

Application' filed ctober 23, llll. 'Seria1f1'0..656,129.

To all whom it may concer/n:

Be it known that I, SAMUEL MUNDLER, a subject ofthe Emperor of Austria-Hungary, and a resident oit' London, England, have invented certain new and useful Improvements in Alarms for Boxes and other Receptacles; and I do hereby declare the following to bea full, clear, and exactdescription of thesaine. U

This invention rela-tes to improvements in alarms for portable cash-boxes and other (hereinafter referred boxes) `of 'the kind comprising electric bell or the like sound producing mechanism- (hereinafter referred to as a bell an electric cell, and spring operated circuit closing mechanism provided at the base, of the boX and adapted to be set so thatimmediately the box is moved by an unauthorized person the electric bell is operated, or to be set out of action when an authorized person desires to movehe box about. The present invention has for its primary object to provide electric bell circuit closing mechanism ",whieh is more sensitive and more reliable in action and cannot be/Jtain pered with, and also has for its object to provide apparatus of a simpler and improved construction and arrangement.

According to the present invention, a ball of metal or other suitable material is loosely mounted at the bottom of the box so that it projects therebelow, and is slightly raised in Irelation to the bottom when the box is placed upon a flat surface. Above the ball and 'within the box is a spring or spring actuated switch forming part of the electric bell circuit. To the switch is secured a depending. member freeto swing in all directions.'ffTheQdepending member is suitably formed at its lower end Aand may be supported ina state of equilibrium upon the top of the ball so as to hold up the switch and keep the circuit open when-the box is resting still upon a fiat surface. The least displacementv and movement of the b oX' and consequently of the ball will, however, cause thevvlower end of the depending member to slip' 'sidewise oft theltop ofthe ball, and allow the switch to close the circuit and ring the bell.- The bell will continue ringing until the circuit is broken again by mea-ns arranged within the-.boxand accessible only to 'an authorized person.v

to as` The invention is illustrated in the accompanying drawings, in which Figure 1 is a sectional plan of a box constructed according to the present invent-ion;

` Referring to the drawings, 1 is an electric u cell,"2 isiaii electric bell, 3 andt are conductors connecting the terminals of the cell respectively toene terminal of the bell and to a "Contact block, 5. All these parts are mounted on an insulating base, 6 on the bottom, 7 of the box, which has a false bottom, 8 for thecontents to rest 'Y Q ,is the ball mounted at the vbottom of the bor` between cups, 10 so as to be free to revolve and rise and fall inlrel'ation to the bottom,f"7. "1 q 1l vis the spring switch, mounted on the base, 6 above the ball, 9; and 12 is the.de`

pendin member secured to the switch. The switch is connected by a conductor, (1)3 to vone terminal of the bell. The depending meinber may be secured to the switch, 11 by an eye, 12%V as shown in Figs. y1'to 4; or by a ball-and-soclret-joint, 14 as shown in '-F 5. The lower endgoi' the'depending memberv may be formed Aas a shoe, 15 having a conveX surface as shown in Figs. 1 to 4, or may be formed as a second. ball, 15X as shown in Fig. 5.

1G is an arm'pivotally'inounted at 17 on a bracket rising from 'the base. The tree end of the arm is arranged beneath the switch, l1 and is adapted to be raised by a. crank, 18

on a spindle, 19 adapted to be txperated by aV lever, 20 having a handle Qlvall arranged within the box. In its `two eXtreme positions, the lever, 20- is held with its handle,21 rest-,ing against the upper edge of the lock casing, 22 of the box,- so'as to be covered by the lid..23. l

The operation of the-device is as 01-, lows z-ln setting the devicefor operation, the box is rested upon a 4support and the lever, .QG-isslowly turned (to the left Fig. 2) so as to allow the arm, 16 to descend gently (Fig. 3),and the depending member to restv Cvertically fiipon the top of the ball, 9 and hold up the switch 1l. If, now, the ball is with a cash box or other receptacle having displaced the depending member will slide thereoff and the switch will cease to be supported and will close the bell circuit. 'If an authorized person desires to render the alarm inoperative, he may do so by opening the box and turning the lever, 20 (to the right Fig. 2) so as to raise' the arm, 16 and the switch, 12.

lvVhat I do claim as my invention anddesire to secure by Letters Patent is l. In a burglar alarm, the combination a cavity through the bottom, of an electric bell circuit, and mechanism' for closing said` circuit, said mechanism comprisiiiga spring member, almember freely depending from and controlling the latter, and a ball mount4 ed with facility of rising falling and rolling movements in said cavity-and so as' to pro ject below the bottom of the receptacle, said dependingr member being adapted to stand on the top of said ball, substantially as described.

`2. In a burglar alarm, the combination with a cash box or other receptacle having a bavity through the bottom, of an electric bell circuit, and mechanism for closing said circuit, said mechanism comprising a spring switch, 'a member freelyv depending from and controllingtlie Switch, upper and lower ring like flanges in said cavity, and a ball mounted between said flanges with facility of rising falling and rolling movements and so as to project below the bottom of the receptacle, vsaid depending member being adapted to stand on the top of said ball, substantially as described.-

In a burglar alarm, the combination with a cash box or other receptacle having a cavity through the bottom, of an electric bell circuit, and mechanism for closing said circuit, said mechanism. comprising a spring switch permanently connected to o ne terminal of the bell circuit and vadapted to make contact with the other terminal of the bell circuit, a member freely depending from and controlling the switch, upper and' lower ring like flanges in said cavity, and a ball mounted between saidflanges with facility of rising falling and rolling movements and sa as to project below the bottom of the re? cepiaclc, said depending member being yadapted to stand on the top of said ball,

substantially as described.

4. In a burglar alarm, the combination with a cash box or other receptacle having a cavity through the bottom, of an electric bell circuit, and mechanism for closing said.

circuit, said mechanism comprising a spring switch, a member freely depending from and controlling the switch and having a convex lower end, and a ball mounted with facility of rising falling and rolling movements in said cavity and so as to project below the bottom of the receptacle, said depending member being adapted to stand on the top o-f said ball, substantially as described.

In a burglar alarm, the combination.

with a cash box or other receptacle having a cavity through the bottoni, of an electric bell circuit, and mechanism for closing said circuit, said mechanism comprising a spring switch, a member freely depending from and controlling the switch, a ball and socket joint connecting the depending membe to the switch, and a ball mounted With faci ity of rising falling and rolling movements iii said cavity and so asto project below the bottom of the receptacle, said depending member being adapted to stand on the top of said ball, substantially as described.

"In a burglar alarm, the combination with a cash box or'other receptacle having a cavity through the bottom, ofgan electric bell circuit, and mechanism for contro ling said circuit, said mechanism compris g a spring switch,`a member freely depending from and controlling the switcha ball mounted with facility of rising falling and rolling 'movements in/said cavity and so as to project below the bottom of the receptacle, said depending member being adapted to st-and on the top of said ball, a pivotally mounted Aarm beneath said switch for lifting the same 

